163373 (2002 PZ39)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5463007404 ± 5.36e-09
Semi-major axis (a)1.4690738121 AU ± 5.16e-09
Inclination (i)1.66694383° ± 1.93e-06
Long. of Asc. Node (Ω)328.72030568° ± 1.28e-05
Arg. of Perihelion (ω)260.20095297° ± 1.29e-05
Mean Anomaly (M)57.44559627° ± 5.94e-06
Mean Motion (n)0.5535372485°/day ± 2.92e-09
Perihelion dist (q)0.66651770 AU ± 8.21e-09
Aphelion dist (Q)2.27162992 AU ± 1.12e-08
Orbital Period1.78059613 yr ± 9.39e-09
Physical Parameters
H (abs. magnitude)19.03
G (slope)0.15
Alternative Designations

1995 UQ53

Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.318″
Uncertainty0
Orbit TypeApollo
MOID0.002611 AU
Observations Used1115
Radar Obs Used3
Oppositions11
Arc Total1995-2024
First Observation Used1995-10-23
Last Observation Used2024-12-05
Observations (1183)
Date Type RA Dec Mag Band Observatory
2002-08-14 00:26:49 C 00 03 23.09 -01 57 22.5 c 952
2002-08-14 00:27:52 C 00 03 22.45 -01 57 25.0 c 952
2002-08-14 00:31:14 C 00 03 20.31 -01 57 34.0 c 952
2002-08-14 00:33:15 C 00 03 19.08 -01 57 39.5 c 952
2002-08-14 00:34:56 C 00 03 18.12 -01 57 44.1 c 952
2002-08-14 17:05:45 C 23 53 45.44 -02 40 19.4 300
2002-08-14 17:08:12 C 23 53 44.04 -02 40 25.7 300
2002-08-14 17:09:27 C 23 53 43.33 -02 40 28.5 300
2002-08-14 17:11:57 C 23 53 41.90 -02 40 34.8 300
2002-08-14 17:13:11 C 23 53 41.21 -02 40 37.9 300
2002-08-14 17:15:44 C 23 53 39.75 -02 40 44.1 300
2002-08-14 17:16:59 C 23 53 39.04 -02 40 47.3 300
2002-08-14 17:20:21 C 23 53 36.60 -02 40 56.4 355
2002-08-14 17:21:42 C 23 53 35.83 -02 41 00.2 355
2002-08-14 17:23:04 C 23 53 35.06 -02 41 03.4 355
2002-08-14 17:24:31 C 23 53 34.24 -02 41 06.8 355
2002-08-14 23:34:22 C 23 50 17.76 -02 56 09.7 c 215
2002-08-14 23:35:51 C 23 50 16.94 -02 56 13.1 c 215
2002-08-14 23:36:43 C 23 50 16.48 -02 56 15.3 c 215
2002-08-14 23:38:54 C 23 50 15.40 -02 56 21.0 c 240
2002-08-14 23:45:11 C 23 50 11.96 -02 56 36.0 c 240
2002-08-14 23:57:07 C 23 50 05.49 -02 57 03.8 c 240
2002-08-15 00:04:27 C 23 50 01.49 -02 57 21.0 c 240
2002-08-15 00:11:14 C 23 49 58.66 -02 57 27.2 15.2 939
2002-08-15 00:15:00 C 23 49 56.68 -02 57 35.6 15.1 939
2002-08-15 00:18:44 C 23 49 54.63 -02 57 44.2 15.1 939
2002-08-15 16:39:02 C 23 41 40.20 -03 34 09.9 300
2002-08-15 16:41:32 C 23 41 38.92 -03 34 15.0 300
2002-08-15 16:45:19 C 23 41 37.05 -03 34 23.4 300
2002-08-15 16:47:47 C 23 41 35.82 -03 34 29.3 300
2002-08-15 22:23:32 C 23 38 59.66 -03 46 22.1 c 151
2002-08-15 22:24:35 C 23 38 59.15 -03 46 24.3 c 151
2002-08-15 22:25:48 C 23 38 58.57 -03 46 26.4 c 151
2002-08-15 22:26:41 C 23 38 58.12 -03 46 28.3 c 151
2002-08-15 22:28:18 C 23 38 57.37 -03 46 31.8 c 151
2002-08-15 22:28:56 C 23 38 57.08 -03 46 32.9 c 151
2002-08-15 22:29:38 C 23 38 56.74 -03 46 34.2 c 151
2002-08-15 22:30:19 C 23 38 56.42 -03 46 35.9 c 151
2002-08-15 22:31:55 C 23 38 55.65 -03 46 39.1 c 151
2002-08-15 22:32:26 C 23 38 55.33 -03 46 40.6 c 151
2002-08-15 22:33:18 C 23 38 54.99 -03 46 42.1 c 151
2002-08-15 22:34:05 C 23 38 54.63 -03 46 43.6 c 151
2002-08-16 01:26:54 C 23 37 32.98 -03 52 28.3 941
2002-08-16 01:27:59 C 23 37 32.38 -03 52 30.8 941
2002-08-16 01:29:48 C 23 37 31.53 -03 52 33.6 941
2002-08-16 01:30:52 C 23 37 31.04 -03 52 36.4 941
2002-08-16 01:32:04 C 23 37 30.50 -03 52 38.2 941
2002-08-16 01:33:06 C 23 37 29.92 -03 52 40.7 941
2002-08-17 21:56:14 C 23 19 30.74 -05 11 23.0 157
2002-08-17 21:58:06 C 23 19 30.10 -05 11 25.9 157
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-02-10 01:33:00 188753.1169 0.025 Hz 2380 -1 -1
2020-02-10 01:48:00 60840555.06 5 us 2380 -1 -1
2020-02-12 00:11:00 150131.5344 0.025 Hz 2380 -1 -1
2020-02-12 01:08:00 48686528.84 0.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)